Create user with random password

Friday Mar 26th 2004 by DatabaseJournal.com Staff
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This script is useful for when you want to create a user with a random password.



>>Script Language and Platform: Oracle
This script is useful for when you want to create a user with a random password.

Author: Vedi Hartono


#!/usr/bin/ksh
SID=$1
echo $SID
export ORACLE_SID=${SID}

echo "userid (password will be generated)"
read userid
set -A M 0 1 2 3 4 5 6 7 8 9 \
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
L="8"

password=""
while [ $L -gt 0 ]
do
password="$password${M[$(($RANDOM%${#M[*]}+1))]}"
L="$(($L-1))"
done
if [ -z "${userid}" ] || [ -z "${password}" ] ; then
echo "wrong number of items entered. Press to quit."
read nothing
exit
fi

### DOES USER ALREADY EXIST? IF SO, EXIT ###

check_the_user()
{
sqlplus -s <internal
set pages 0 lines 150 head off veri off feed off term off echo off
select count(*) from dba_users where username = upper('${userid}');
END
}

if [[ `check_the_user` -gt 0 ]] ; then
echo "ERROR -- user ${userid} already exists - to exit."
read nothing
exit
fi

echo "userid ${userid}"
echo "newpassword: $password"

if [ -z "${userid}" ] || [ -z "${password}" ] ; then
echo "wrong number of items entered. Press to quit."
read nothing
exit
fi

echo " is this correct (y/n)?"
yesno="n"
read yesno
if [ -z "${yesno}" ] || [ ${yesno} != "Y" ] && [ ${yesno} != "y" ] ; then
exit
fi

sqlplus -s <internal
set pages 0 lines 150 head off veri off feed off term off echo off

create user ${userid}
identified by "$password"
default tablespace data01
temporary tablespace temp
QUOTA UNLIMITED ON DATA01
QUOTA 0 ON SYSTEM ;
GRANT SSE_ROLE TO ${userid} ;
exit
ENDSQL

echo "All done. Press to continue."
read nothing

exit

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